EVALUATION OF SOIL DIFFUSE CONTAMINATION IN VENICE REGION (ITALY)

A survey on the concentration of some metals and metalloids in soils of Veneto conducted on 2393 samples, of which 136 3 topsoil (0-40 cm) and 1030 subsoil (70-100 cm), allowed to define the background values for the metals considered. Particularly for some metals and in areas of volcanic substrat a these values were above certain threshold concentrations of contamination defined by the Italian environmental legislation. Some results of persistent organic pollutants monitoring inthe soils are reported and available.